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Confidence: Medium · Source: FCC ULS · As of 2026-09-09

KR4FBX

Cancelled

SFL CW CONTESTERS

Location: AVENTURA, FL
Granted: 2025-07-08
Expires: 2035-07-08
FRN: 0037224474

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Vanity availability

322d

Available on 2027-07-29

KR4FBX cancelled on 2025-07-29. Hold ends in 322 days.

Last held by SFL CW CONTESTERS (FL).

Confidence: High

Cancelled licenses begin the 2-year hold immediately on the cancellation date, so this is the firm release date per §97.19.

Callsign genealogy

Prior holders later became

WX4CWactive
SFL CW CONTESTERSFLgranted 2025-07-29

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

K4CYG 2026-09-10
K4YDD 2026-09-10
KG4QXI 2026-09-10
KG4RVV 2026-09-10
KG4VAB 2026-09-10

Starting with KR4

KR4AAB AL · 2027-01-11
KR4ABQ FL · 2027-01-17
KR4BBR FL · 2027-01-17
KR4ACS VA · 2027-01-18
KR4ADZ FL · 2027-01-22

Full history → Vanity availability → Callsign genealogy →